Quarks Baryons And Chiral Symmetry

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Quarks Baryons And Chiral Symmetry

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Author : Atsushi Hosaka
language : en
Publisher: World Scientific
Release Date : 2001-07-02

Quarks Baryons And Chiral Symmetry written by Atsushi Hosaka and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-07-02 with Science categories.

This book describes baryon models constructed from quarks, mesons and chiral symmetry. The role of chiral symmetry and of quark model structure with SU(6) spin-flavor symmetry are discussed in detail, starting from a pedagogic introduction. Emphasis is placed on symmetry aspects of the theories. As an application, the chiral bag model is studied for nucleon structure, where important methods of theoretical physics, mostly related to the semiclassical approach for a system of strong interactions, are demonstrated. The text is more practical than formal; tools and ideas are explained in detail while solving actual problems. By checking each step of the computations, readers can learn not only the calculational techniques but also the essential ideas behind them.

Quarks Bound By Chiral Fields

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Author : Georges Ripka
language : en
Publisher: Oxford University Press
Release Date : 1997

Quarks Bound By Chiral Fields written by Georges Ripka and has been published by Oxford University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Science categories.

The structure of light hadrons is dominated by the spontaneously broken chiral symmetry of the strongly interacting (QCD) vacuum. Low energy properties of light hadrons can be described in terms of quarks interacting with chiral fields. This book gives a comprehensive account of a large class of models which describe the restoration of chiral symmetry at high temperature and density, the effective interactions between quarks, mesons as solutions of the Beth-Salpeter equation, and baryons in terms of solitions which rotate in flavor space. An in-depth analysis of regularization is given, including regularization by delocalized fields. Symmetry conserving approximations are formulated using both path integral and Feynmann graph methods. The book's style is pedagogical and well-suited to graduate and Ph.D. students who want to learn the techniques used in present day research. It can also serve as a reference for research and lecture courses.

Chiral Symmetry And Pentaquarks

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Author : Dmitri Diakonov
language : en
Publisher:
Release Date : 2004

Chiral Symmetry And Pentaquarks written by Dmitri Diakonov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Spontaneous chiral symmetry breaking, mesons and baryons are illustrated in the language of the Dirac theory. Various forces acting between quarks inside baryons are discussed. I explain why the naive quark models typically overestimate pentaquark masses by some 500 MeV and why in the fully relativistic approach to baryons pentaquarks turn out to be light. I discuss briefly why it can be easier to produce pentaquarks at low than at high energies.

Quarks And Nuclei

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Author : Wolfram Weise
language : en
Publisher: World Scientific
Release Date : 1985-04-01

Quarks And Nuclei written by Wolfram Weise and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985-04-01 with Science categories.

Contents:Constituents of the Atomic Nucleus (B Povh)Quarks, Chiral Symmetry and Dynamics of Nuclear Constituents (W Weise)The Chiral Quark Bag: Properties and Spectroscopy of Baryons and the Nuclear Force (F Myhrer)Building the Nucleus from Quarks: the Cloudy Bag Model and the Quark Description of the Nucleon- Nucleon Wave Function (G A Miller)Deep Inelastic Lepton- Nucleus Scattering (H J Pirner)Baryon-baryon Interaction from Quark Model Viewpoint (M Oka & K Yazaki)From Phenomenological to Macroscopic Description of NN Annihilation (A M Green & J A Niskanen) Readership: Nuclear physicists. Keywords:Quarks;Nuclei;Chiral Symmetry;Dynamics;Baryons

Chiral Quark Dynamics

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Author : Reinhard Alkofer
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-04

Chiral Quark Dynamics written by Reinhard Alkofer and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-12-04 with Science categories.

These notes give an introduction to the description of hadrons, i.e., mesons and baryons, within a quark model based on a chirally invariant quantum field theory. Emphasis is put on a didactic approach intended for graduate students with some background on functional integral techniques. Starting from QCD a motivation of a specific form of the effective quark interaction is given. Functional integral bosonization leads to a theory describing successfully meson properties. It possesses solitonic solutions which are identified as baryons. Via functional integral techniques a Faddeev equation for baryons describing them as bound states of a diquark and a quark is derived. Finally, a unification of these two complementary pictures of baryons is proposed.

Baryons 98 Proceedings Of The 8th International Conference On The Structure Of Baryons

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Author : Dietmar W Menze
language : en
Publisher: World Scientific
Release Date : 1999-06-18

Baryons 98 Proceedings Of The 8th International Conference On The Structure Of Baryons written by Dietmar W Menze and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-06-18 with categories.

This volume encompasses current issues in the physics of baryons, including their spectroscopy and quark-gluon substructure, and investigations with electroweak and strong interacting probes. The topics covered are: Baryon and Meson Spectroscopy, Chiral Physics, Heavy Quarks, Deep Inelastic Scattering, Form Factors and Exclusive Processes, Hadron-Nucleon Interaction, Hadrons in Nuclear Medium, and Special Topics in the First and Second Resonance, as well as a special part on the current status of neutrino physics. Each topic begins with an Introduction and Overview so as to make the more specialized papers readily accessible to non-experts.

Quarks Baryons And Chiral Symmetry

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Author : Atsushi Hosaka
language : en
Publisher: World Scientific
Release Date : 2001

Quarks Baryons And Chiral Symmetry written by Atsushi Hosaka and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Science categories.

Ch. 1. Ingredients of the standard model. 1.1. Strong interaction - QCD. 1.2. Electroweak theory. 1.3. CKM mass matrix -- ch. 2. Symmetries and wave functions. 2.1. Why is symmetry important? 2.2. Symmetry current. 2.3. SU(2). 2.4. SU(3). 2.5. Multi-particle states. 2.6. Product-states. 2.7. Quark model wave functions -- ch. 3. Chiral symmetry. 3.1. Lorentz group and chiral fermions. 3.2. Chiral group. 3.3. Spontaneous breaking of chiral symmetry -- ch. 4. The sigma model. 4.1. Linear sigma model. 4.2. Non-linear sigma model. 4.3. Fermion field -- ch. 5. Chiral bag model. 5.1. The MIT bag model. 5.2. The little bag model. 5.3. The Skyrme model. 5.4. The chiral bag model. 5.5. Chiral casimir effects. 5.6. The edgehog solution -- ch. 6. Nucleon properties. 6.1. Semiclassical method. 6.2. Isospin rotation of the hedgehog solution. 6.3. Axial properties. 6.4. Non-rigid quantization of the skyrmion. 6.5. Electromagnetic properties. 6.6. Chiral bag with vector mesons -- ch. 7. Large-Nc baryons. 7.1. Introduction. 7.2. General counting rules. 7.3. Counting rules for solitons. 7.4. Large-Nc algebra for baryons. 7.5. Finite Nc. 7.6. Other representations and gA -- ch. 8. Excited baryons. 8.1. Systematics in baryon masses. 8.2. Quarks in a deformed oscillator potential. 8.3. Electromagnetic transitions.

Quark Structure Of Chiral Solitons

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Author : Dmitri Diakonov
language : en
Publisher:
Release Date : 2004

Quark Structure Of Chiral Solitons written by Dmitri Diakonov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

There is a prejudice that the chiral soliton model of baryons is something orthogonal to the good old constituent quark models. In fact, it is the opposite: the spontaneous chiral symmetry breaking in strong interactions explains the appearance of massive constituent quarks of small size thus justifying the constituent quark models, in the first place. Chiral symmetry ensures that constituent quarks interact very strongly with the pseudoscalar fields. The ''chiral soliton'' is another word for the chiral field binding constituent quarks. We show how the old SU(6) quark wave functions follow from the ''soliton'', however, with computable relativistic corrections and additional quark-antiquark pairs. We also find the 5-quark wave function of the exotic baryon Theta+.

Unification And Supersymmetry

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Author : Rabindra N. Mohapatra
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29

Unification And Supersymmetry written by Rabindra N. Mohapatra and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.

The theoretical understanding of elementary particle interactions has under gone a revolutionary change during the past one and a half decades. The spontaneously broken gauge theories, which in the 1970s emerged as a prime candidate for the description of electro-weak (as weIl as strong) interactions, have been confirmed by the discovery of neutral weak currents as weIl as the w- and Z-bosons. We now have a field theory of electro-weak interactions at energy scales below 100 GeV-the Glashow-Weinberg-Salam theory. It is a renormalizable theory which enables us to do calculations without en countering unnecessary divergences. The burning question now is: Wh at lies ahead at the next level of unification? As we head into the era of supercolliders and ultrahigh energy machines to answer this question, many ap, pealing possi bilities exist: left-right symmetry, technicolor, compositeness, grand unifica ti on, supersymmetry, supergravity, Kaluza-Klein models, and most recently superstrings that even unify gravity along with other interactions. Experi ments will decide if any one or any combination of these is to be relevant in the description of physics at the higher energies. As an outcome of our con fidence in the possible scenerios for elementary particle physics, we have seen our understanding of the early uni verse improve significantly.

Baryons 92 International Conference On The Structure Of Baryons And Related Mesons

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Author : Moshe Gai
language : en
Publisher:
Release Date : 1993

Baryons 92 International Conference On The Structure Of Baryons And Related Mesons written by Moshe Gai and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with SCIENCE categories.